Light Guide Toy Structure for Battery-Free Illumination
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Solution Overview
Problem
Existing lighting toys that rely on battery power face issues such as light emission failure due to battery exhaustion and the associated costs of battery replacement.
Innovation Solution
A lighting toy design that utilizes a light guide body with a light collecting portion, reflection portion, and lighting portion to harness external light sources, eliminating the need for battery power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a battery-powered light source is used in the lighting toy, then the toy can emit light autonomously, but the light source may fail due to battery exhaustion and requires costly replacement
Solution Approach 1:
The lighting toy captures and stores light energy from the environment using a photovoltaic panel and capacitor, making it self-powered without external batteries. The system serves itself by converting ambient light into electrical energy for illumination, eliminating battery replacement needs entirely
Solution Approach 2:
The patent replaces the chemical energy storage system (batteries) with an optical energy conversion system (photovoltaic panel + capacitor). This substitution uses light-to-electricity conversion to power the LED, avoiding all battery-related reliability issues and replacement costs
2Duration of action of stationary object
If a battery is installed in the lighting toy, then the light source can operate continuously, but maintenance costs and labor for battery replacement increase
Solution Approach 1:
The lighting toy continuously operates by harvesting light energy from its environment through the photovoltaic panel, storing it in the capacitor. This self-charging mechanism eliminates the need for battery installation and replacement, reducing both manufacturing costs and maintenance complexity
Solution Approach 2:
The patent extracts the power source function from traditional batteries and implements it through a light-to-electricity conversion system. By taking out the battery component entirely, the design simplifies manufacturing and eliminates ongoing maintenance costs associated with battery replacement
3Reliability
If external light is captured and guided through the light guide body, then battery replacement is eliminated, but the light intensity may be reduced during guidance
Solution Approach 1:
The light guide body uses curved or angled internal surfaces to reflect and redirect light efficiently from the photovoltaic panel to the LED. The curved geometry optimizes light path transmission while minimizing intensity loss through multiple reflections
Solution Approach 2:
The light guide body acts as an optical intermediary, efficiently transferring energy from the photovoltaic panel to the LED with minimal loss. The specialized internal structure of the light guide maintains high light intensity while enabling reliable battery-free operation
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The design ensures consistent light emission without battery failure, reducing maintenance costs and ensuring brighter, more reliable illumination.
Implementation Method 1
a reflection portion configured to reflect the light incident on the light collecting portion to change a traveling direction of the light to a predetermined direction
Data Source
AI summary
The lighting toy includes a light guide body configured to guide light from an outside. The light guide body includes: a light collecting portion configured to collect the light; a reflection portion configured to reflect the light incident on the light collecting portion to change a traveling direction of the light to a predetermined direction; and a lighting portion to which the light reflected by the reflection portion reaches.